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Phra Nakhon Si Ayutthaya, Thailand

Phra Nakhon Si Ayutthaya is on Indochina Time, UTC+7. Its clock matches Bangkok and remains on the same offset in every season because Thailand does not use daylight saving time.

Phra Nakhon Si Ayutthaya, Thailand

Friday, 4 September 2026

UTC+7 · Asia/Bangkok

Time and sun data for Phra Nakhon Si Ayutthaya — the largest city of Phra Nakhon Si Ayutthaya

The sun in Phra Nakhon Si Ayutthaya

Sunrise 06:08 Solar noon 12:19 Sunset 18:30 Daylight 12 h 22 min Night 11 h 38 min Civil twilight 05:46 – 18:51

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Current time in Phra Nakhon Si Ayutthaya, Thailand

The provincial time applies to the historic city of Phra Nakhon Si Ayutthaya and all other communities within the province. A journey from Bangkok or another Thai province involves no time-zone boundary.

To derive local time from UTC, add seven hours. Take care around midnight: an afternoon or evening in UTC can already correspond to the next day in Ayutthaya. Date awareness is particularly useful when booking accommodation or coordinating a remote event.

The local offset itself does not shift. If your usual difference from Europe, North America, or another daylight-saving region suddenly changes, the clock adjustment occurred at the other end of the comparison.

The ruins have watched many centuries pass, but the modern provincial clock asks only that you remember UTC plus seven.

Key places within Ayutthaya province

The city of Phra Nakhon Si Ayutthaya is the provincial capital and the best-known urban reference. The province also contains several active district centers and connected communities beyond the historic core.

Names commonly encountered on maps and local forecasts include: Phra Nakhon Si Ayutthaya, the capital on the river plain. Bang Pa-in, south of the capital and closer to the Bangkok metropolitan corridor.

Sena, a district center west of Ayutthaya city. Wang Noi, in the southeastern part of the province. Tha Ruea, toward the northeast. These locations do not have independent time rules. A meeting set for a particular local hour means the same civil hour in every district, even though travel time between them must still be allowed for.

Planning around sunrise

The sunrise clock reading depends on the selected date and coordinates. Seasonal movement changes both the time and the point along the eastern horizon where the Sun appears. A live daily entry is therefore more useful than a single permanent value.

Ayutthaya city provides a sensible reference for visits to the central historic area. For an early departure from Bang Pa-in, Sena, or another district, choose that locality when precision matters. Small differences arise from longitude and latitude rather than from different clocks.

Calculated sunrise assumes a clear, unobstructed horizon. Temple structures, trees, buildings, mist, and clouds may alter the moment at which a person actually sees direct sunlight. The observer’s exact position also affects the visible horizon.

Dawn arrives earlier than sunrise, offering a period of twilight before the solar disc appears. Photographers should consider cloud, haze, orientation, and foreground shade in addition to the published astronomical time.

Questions and answers

What is Ayutthaya’s UTC offset?
The province uses UTC+7.
Does the historic city have a different time from the province?
No. The city and every district share one official time.
Can sunrise be later than the calculated value?
The calculation stays fixed for its coordinates and date, but terrain, structures, or cloud may hide the Sun for longer.
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